April 25, 2026 · 8 min read
1. The run sags between hangers
A trough should sit in a straight line with a slight, deliberate fall toward the outlet. If you can see a dip along the run from the driveway, the hangers have let go or the trough has been stretched by ice weight.
One or two loose hangers is a repair. A run that visibly waves along its length has usually work-hardened and lost its shape, and re-hanging it just moves the low spot somewhere else.
2. Water stands in it after rain
Look inside the trough a day after a good rain. Standing water means the slope is gone. In our winters that water freezes, expands, and levers the hangers further out of the fascia, which makes the pooling worse the following year.
This is the failure that feeds itself. Caught early it is a re-hang. Caught after three winters it is a replacement.
3. Seams and corners are separating
Sectional trough has a joint every few feet, and every joint is a place for sealant to fail. If you are resealing the same corners each year, you are maintaining a system that has reached the end of its service life.
Seamless trough formed on site solves this by removing the joints entirely, apart from corners and outlets.
4. Peeling paint or stained fascia
Paint blistering on the fascia board directly under the trough means water has been running behind the gutter rather than through it. That is either a slope problem or a missing drip edge at the roof line.
Dark streaks down the outside face of the trough itself tell you it has been overflowing regularly, even if you have never been home to watch it happen.
5. Rust, splits or hail dents
Steel trough rusts from the inside where debris holds moisture. Aluminum does not rust but it does split, usually starting at a screw hole or an old repair.
Hail dents on the front face are cosmetic on their own, but a hail season hard enough to dent trough has often cracked older aluminum at the seams as well. Worth having looked at after a bad storm.
6. Water pooling at the foundation
Walk the perimeter after a heavy rain. Any place where water is sitting against the wall is a place the eavestrough system is failing to do its one job.
Sometimes this is just a missing extension and costs almost nothing to fix. Sometimes it means the downspouts are in the wrong place for the grading, which is a redesign rather than a repair.
7. It is as old as the roof
Most homes get their trough installed with the original build and never touch it again. If the shingles are due and the eavestrough is the same age, replace both together — the roof edge gets detailed once and the combined price is lower than two separate jobs.
If you are unsure which category you are in, that is what a free estimate is for. We will take photos of your own trough and tell you plainly whether it needs replacing or just some attention.